CN201196220Y - Double-row conical roller bearing unit - Google Patents
Double-row conical roller bearing unit Download PDFInfo
- Publication number
- CN201196220Y CN201196220Y CNU200820086310XU CN200820086310U CN201196220Y CN 201196220 Y CN201196220 Y CN 201196220Y CN U200820086310X U CNU200820086310X U CN U200820086310XU CN 200820086310 U CN200820086310 U CN 200820086310U CN 201196220 Y CN201196220 Y CN 201196220Y
- Authority
- CN
- China
- Prior art keywords
- tapered roller
- ring
- flange plate
- shaft neck
- long end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a diallel cone roller bearing unit using a corn roller, which solves the defects that the enduring pressures and the centering ability of a hub driving assembly are poor in the prior art, wherein the rollers use corn rollers and are reversely arranged on a long end journal of a flange in a double row, the outer portion of the corn roller is sleeved with an outer ring, a corn raceway is arranged on a root of the long end journal of the flange, the middle portion of the long end journal is equipped with gear ring steps, and the end is equipped with steps which are matched with an inner ring. Greater pressure can be bore using the corn roller, the corn roller can bear a certain axial force, can finely adjust the outer ring, and can excellently do centering adjustment. A turned edge is used to match with the inner ring, the gear ring steps on the axial portion can be used to position, thereby being convenient for the mounting and the fixing of the corn roller.
Description
Technical field
The utility model relates to a kind of hub, especially adopts the double row tapered roller bearing unit of tapered roller.
Background technique
Present existing car hub drives assembly and mostly adopts traditional ball bearing, the hub of this structure is not easy assembling when assembling, it adjusts play, pretension, difficulty such as lubricated is bigger, and these factors of quality need be leaned on manual control, and the pressure that hub bears is bigger.
Patent name is that car hub drives assembly, and notification number is CN2900209Y, this Patent publish a kind of hub with abs sensor, be arranged with the biserial steel ball on the surface of flange plate, be provided with gear ring between the biserial steel ball.The wheel hub of this kind structure drives assembly and adopts steel ball, and its pressure tolerance is little, and to heart ability, there are situation about obscuring in the raceway of steel ball and the outer surface of flange plate, and the rotary motion trace of steel ball is uncertain, in the process of high speed rotating, deflects easily.
Summary of the invention
The utility model has solved in the prior art wheel hub, and to drive the assembly pressure tolerance poor, to the shortcoming of heart ability, provides a kind of employing tapered roller, improves the double row tapered roller bearing unit of pressure tolerance.
It is unintelligible that the utility model has also solved in the prior art steel ball rolling channel, and what deflect easily determines, provides a kind of and form the raceway of tapered roller at the outer surface of flange plate, guarantees the double row tapered roller bearing unit of the precision of rotating.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of double row tapered roller bearing unit, comprise flange plate, outer ring, inner ring and be arranged on the outer ring and flange plate between roller, flange plate comprises flange plate end face and long end shaft neck, the outer ring is arranged on the long end shaft neck, wherein, roller adopts tapered roller, is oppositely disposed in for biserial on the long end shaft neck of flange plate, and the outside of tapered roller is nested with the outer ring; The long end shaft neck root of flange plate is provided with the circular cone raceway, and long end shaft neck middle part is provided with the gear ring step, and end is provided with the step that cooperates with inner ring.Tapered roller one row are arranged near being the female cone roller on the circular cone raceway of flange plate end, another row are arranged on farad inner ring of dish long end shaft neck distal portion and are the outer cone roller, adopt tapered roller its to bear pressure big, strong to heart ability, can realize trickle adjustment automatically; Inner ring is arranged on the step, the inner ring small end face is near the end face of gear ring step,, lining is leaned at the interior section of inner ring in the limit of the circular cone raceway on the inner ring, be that the part of inner ring and the gear ring step on the long end shaft neck have formed the limited part between the double-row conical, perhaps the surface of contact between inner ring and the gear ring step is the limit of circular cone raceway on the inner ring, gear ring step on the long end shaft neck is the limited part between the double-row conical, the gear ring step can play the effect that inner ring is positioned, and also can carry out spacing to tapered roller.
Inner ring is contained in the circular cone raceway and the circular cone raceway on the long end shaft neck that form behind the long end shaft neck and claims that according to the facing of axis normal with the long end shaft neck angle between two raceways is 45 °; Leave the gap between the both ends of the surface of described circular cone raceway and tapered roller, be used to fill in lubricating grease, the dual-side of circular cone raceway bottom surface is the tool withdrawal groove of indent; The miner diameter end of described two row tapered rollers is relative, and bigger diameter end arranges that in opposite directions the gap and the angle that form between the corresponding site of inner surface and the circular cone raceway are corresponding.
The tapering of tapered roller is 3 °-8 °, and tapered roller is provided with retainer; Outer ring and the corresponding position of circular cone raceway are the inclined-plane, and the external diameter and the tapering of gap between the inclined-plane of circular cone raceway and outer ring and angle and tapered roller match.The gap that forms is convenient for measuring, monitoring.
Be provided with seal ring between flange plate and the outer ring, be provided with seal ring assembly between inner ring and the outer ring.
As preferably, the flange plate end face is provided with one section sealing bore to long end shaft neck intermediate location; Described seal ring is provided with back-shaped seat, and the inner side surface of back-shaped seat is adjacent to the outer ring, and back-shaped seat adheres to the rubber seal lip by straight flange, and the rubber seal lip is adjacent to the sealing bore.Seal ring and seal ring assembly promptly play sealing and prevent the grease leakage, and also the inner tapered roller of protection prevents that foreign matter from entering, and increases resistance and friction.
The end face of flange plate long end shaft neck is provided with crimping, and this crimping encases the exterior edge face of inner ring, and the external diameter of crimping is less than the external diameter of inner ring outer end.Crimping wraps up the inner ring large end face, but does not exceed the big external diameter of inner ring, forms locking.
As preferably, seamed end is the plane, and the internal surface of crimping is the conical surface.Crimping is fixed inner ring; Flange plate is provided with internal spline, and the flange plate end face is provided with bolt hole.
Be fixed with gear ring on the gear ring step of long end shaft neck, be provided with the abs sensor mounting hole with the corresponding position of gear ring on the outer ring.The portion at sensor mounting hole place is the intermediate portion of outer ring, and the symmetry plane of tapered roller is through this one.The inclined-plane symmetric arrangement of inner surface, processing guarantees precision easily easily.
The abs sensor mounting hole is arranged on the limit of outer ring, can connect abs sensor in the abs sensor mounting hole.Abs sensor can be selected as required, installs when needing again.
The beneficial effects of the utility model are: adopt tapered roller can bear bigger pressure, tapered roller can bear certain axial force, can carry out trickle adjusting to the outer ring, can carry out well heart adjustment; Adopt crimping to cooperate with inner ring, have the gear ring step to locate on the long end shaft neck, the installation of conveniently carrying out tapered roller is with fixing; Sensor installation mounting hole place, outer ring portion is the intermediate portion of outer ring, the inclined-plane symmetric arrangement of inner surface, and processing guarantees precision easily easily; Seal ring between outer ring and the long end shaft neck adopts back-shaped seat to be connected the structure of rubber seal lip by straight flange, and the rubber seal lip is adjacent to the sealing bore on the long end shaft neck, good sealing effect.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the side view of the utility model structure shown in Figure 1;
Fig. 3 is the another kind of structural representation of the utility model;
Fig. 4 is the side view of the utility model structure shown in Figure 3;
Fig. 5 is the structural representation of a kind of seal ring of the utility model.
Among the figure: 1, flange plate, 2, the long end shaft neck, 3, the flange plate end face, 4, the outer ring, 5, inner ring, 6, outer cone roller, 7, the female cone roller, 8, seal ring assembly, 9, seal ring, 10, sealing bore, 11, crimping, 12, the inner, 13, the gear ring step, 14, tool withdrawal groove, 15, the circular cone raceway, 16, retainer, 17, the inclined-plane, 18, gear ring, 19, the abs sensor mounting hole, 20, abs sensor, 21, back-shaped seat, 22, straight flange, 23, the rubber seal lip, 24, step, 25, spline.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: a kind of double row tapered roller bearing unit (referring to accompanying drawing 1 accompanying drawing 2), comprise flange plate 1, outer ring 4, inner ring 5 and be arranged on the outer ring and flange plate between tapered roller, tapered roller is provided with retainer 16, the tapering of tapered roller is 3 °, flange plate comprises flange plate end face 3 and long end shaft neck 2, tapered roller is that biserial is oppositely disposed on the long end shaft neck of flange plate, the outside of tapered roller is nested with the outer ring, the outer ring is triangle (referring to an accompanying drawing 2), on three angles, be provided with the installation tapped hole, the maximum outside diameter of outer ring is less than the external diameter of flange plate end face, the portion at sensor mounting hole place is the intermediate portion of outer ring, the flange plate end that tapered roller one row are arranged near flange plate is a female cone roller 7, the inner ring place that another row are arranged near the end of farad dish long end shaft neck is an outer cone roller 6, two row tapered rollers according to one of long end shaft neck axis normal in the face of claiming, be inner ring between outer cone roller and the long end shaft neck, the cross section of inner ring is a variable cross section, one end wall is thin to be inner 12, one end wall is thick to be the outer end, the intermediate portion of long end shaft neck is a gear ring step 13, the circular cone raceway 15 of one side of gear ring step for tilting, opposite side is provided with the step 24 that inner ring is installed, the small end face of inner ring withstands the gear ring step, inner ring forms the circular cone raceway that a circle tilts on the surface that the outer cone roller is installed, two end faces of inner ring are left on the limit of the circular cone raceway on the inner ring, be provided with the high limited part that rises between circular cone raceway on the inner ring and the circular cone raceway on the long end shaft neck, the limit that comprises circular cone raceway on the inner ring is to the inner of inner ring and the gear ring step on the long end shaft neck.
Inner ring is contained in the circular cone raceway and the circular cone raceway on the long end shaft neck that form behind the long end shaft neck and claims according to the facing of axis normal with the long end shaft neck, the tilting angle of two circular cone raceways is 45 °, leave the gap between the both ends of the surface of circular cone raceway and tapered roller, the dual-side of circular cone raceway bottom surface is the tool withdrawal groove 14 of indent, the miner diameter end of two row tapered rollers is relative, bigger diameter end is arranged in opposite directions, inner surface and the corresponding position of circular cone raceway are inclined-plane 17, and be corresponding with the external diameter and the tapering of the gap that forms between the circular cone raceway and angle and tapered roller.
The flange plate end face is provided with one section sealing bore 10 to long end shaft neck intermediate location, be provided with seal ring 9 (referring to accompanying drawing 5) between flange plate and the outer ring, be provided with seal ring assembly between inner ring and the outer ring, seal ring is provided with back-shaped seat 21, the inner side surface of back-shaped seat is adjacent to the outer ring, back-shaped seat is by the straight flange 22 rubber seal lip 23 of ining succession, and the rubber seal lip is adjacent to the sealing bore.
The end face of flange plate long end shaft neck is provided with crimping 11, and this crimping encases the exterior edge face of inner ring, and the external diameter of crimping is less than the external diameter of inner ring outer end, and seamed end is the plane, and the internal surface of crimping is the conical surface, and the flange plate internal surface is an internal spline 25.
Embodiment 2: a kind of biserial conical wheel hub unit (referring to accompanying drawing 3 accompanying drawings 4), the built-in gear ring 18 in the intermediate portion of long end shaft neck, with the corresponding outer ring of gear ring on be provided with abs sensor mounting hole 19, the abs sensor mounting hole is arranged on the straight flange of triangle outer ring, in the abs sensor mounting hole abs sensor 20 can be set.All the other structures are with reference to embodiment 1.
Above-described embodiment is two kinds of schemes of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (9)
1. double row tapered roller bearing unit, comprise flange plate (1), outer ring (4), inner ring (5) and be arranged on the outer ring and flange plate between roller, flange plate comprises flange plate end face (3) and flange plate long end shaft neck (2), the outer ring is arranged on the long end shaft neck, it is characterized in that described roller adopts tapered roller, be oppositely disposed in for biserial on the long end shaft neck of flange plate, the outside of tapered roller is nested with the outer ring; The long end shaft neck root of flange plate is provided with circular cone raceway (15), and long end shaft neck middle part is provided with the gear ring step, and end is provided with the step (24) that cooperates with inner ring.
2. double row tapered roller bearing unit according to claim 1, it is characterized in that inner ring is contained in the step place of long end shaft neck end, the circular cone raceway of inner ring outer surface and the circular cone raceway on the long end shaft neck claim that according to the facing of axis normal with the long end shaft neck the tilting angle of two circular cone raceways is 45 °; Leave the gap between the both ends of the surface of described circular cone raceway and tapered roller, the dual-side of circular cone raceway bottom surface is the tool withdrawal groove (14) of indent; The miner diameter end of described two row tapered rollers is relative, and bigger diameter end arranges that in opposite directions the gap and the angle that form between the corresponding site of inner surface and the circular cone raceway are corresponding.
3. double row tapered roller bearing unit according to claim 1 and 2, the tapering that it is characterized in that described tapered roller are 3 °-8 °, and tapered roller is provided with retainer (16); Outer ring and the corresponding position of circular cone raceway are inclined-plane (17), and the external diameter and the tapering of gap between the inclined-plane of circular cone raceway and outer ring and angle and tapered roller match.
4. double row tapered roller bearing unit according to claim 1 is characterized in that being provided with seal ring (9) between described flange plate and the outer ring, is provided with seal ring assembly (8) between inner ring and the outer ring.
5. according to claim 1 or 4 described double row tapered roller bearing units, it is characterized in that described flange plate long end shaft neck root is provided with one section sealing bore (10); Described seal ring is provided with back-shaped seat (21), and the inner side surface of back-shaped seat is adjacent to the outer ring, and back-shaped seat adheres to rubber seal lip (23) by straight flange (22), and the rubber seal lip is adjacent to the sealing bore.
6. double row tapered roller bearing unit according to claim 1 is characterized in that the end face of described flange plate long end shaft neck is provided with crimping (11), and this crimping encases the exterior edge face of inner ring, and the external diameter of crimping is less than the external diameter of inner ring outer end.
7. double row tapered roller bearing unit according to claim 6 is characterized in that described seamed end is the plane, and the internal surface of crimping is the conical surface, and flange plate is provided with internal spline (25).
8. double row tapered roller bearing unit according to claim 1 is characterized in that being fixed with gear ring (18) on the gear ring step of described long end shaft neck, is provided with abs sensor mounting hole (19) with the corresponding position of gear ring on the outer ring.
9. double row tapered roller bearing unit according to claim 8 is characterized in that described abs sensor mounting hole is arranged on the limit of outer ring, can connect abs sensor (20) in the abs sensor mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820086310XU CN201196220Y (en) | 2008-04-25 | 2008-04-25 | Double-row conical roller bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820086310XU CN201196220Y (en) | 2008-04-25 | 2008-04-25 | Double-row conical roller bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196220Y true CN201196220Y (en) | 2009-02-18 |
Family
ID=40415857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820086310XU Expired - Fee Related CN201196220Y (en) | 2008-04-25 | 2008-04-25 | Double-row conical roller bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196220Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649860B (en) * | 2009-09-07 | 2011-12-28 | 浙江兆丰机电股份有限公司 | Tapered roller drive wheel hub bearing unit |
| CN102691720A (en) * | 2011-03-24 | 2012-09-26 | 株式会社捷太格特 | Vehicle bearing device |
| CN103088823A (en) * | 2011-11-08 | 2013-05-08 | 玉柴重工（常州）有限公司 | Ground anchor device of horizontal directional drilling machine |
| CN107975533A (en) * | 2016-10-24 | 2018-05-01 | 斯凯孚公司 | The bearing-hub assembly of wheel |
| CN111376644A (en) * | 2018-12-26 | 2020-07-07 | 斯凯孚公司 | Wheel hub assembly provided with novel deflector |
| WO2024040710A1 (en) * | 2022-08-25 | 2024-02-29 | 瓦房店轴承集团有限责任公司 | Self-sealing double-row tapered roller bearing with stepped outer diameter |
-
2008
- 2008-04-25 CN CNU200820086310XU patent/CN201196220Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649860B (en) * | 2009-09-07 | 2011-12-28 | 浙江兆丰机电股份有限公司 | Tapered roller drive wheel hub bearing unit |
| CN102691720A (en) * | 2011-03-24 | 2012-09-26 | 株式会社捷太格特 | Vehicle bearing device |
| CN102691720B (en) * | 2011-03-24 | 2016-03-30 | 株式会社捷太格特 | Bearing device for vehicle |
| CN103088823A (en) * | 2011-11-08 | 2013-05-08 | 玉柴重工（常州）有限公司 | Ground anchor device of horizontal directional drilling machine |
| CN107975533A (en) * | 2016-10-24 | 2018-05-01 | 斯凯孚公司 | The bearing-hub assembly of wheel |
| CN111376644A (en) * | 2018-12-26 | 2020-07-07 | 斯凯孚公司 | Wheel hub assembly provided with novel deflector |
| WO2024040710A1 (en) * | 2022-08-25 | 2024-02-29 | 瓦房店轴承集团有限责任公司 | Self-sealing double-row tapered roller bearing with stepped outer diameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |